Ceiling fan



FIG. 1 is a bottom perspective view of a ceiling fan, showing the new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is an enlarged top perspective view thereof;

FIG. 4 is an enlarged front view thereof;

FIG. 5 is an enlarged rear view thereof;

FIG. 6 is an enlarged left side view thereof;

FIG. 7 is an enlarged right side view thereof;

FIG. 8 is an enlarged top view thereof; and,

FIG. 9 is an enlarged bottom view thereof.

The broken lines in the drawings depict portions of the ceiling fan that form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 